ActionBarSherlock Fragments and Tabs

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I'm new at Android Development, but I want to start with it. I've currently a problem, I searched for hours, but I couldn't find a solution.
Currently I used this tutorial:
http://arvid-g.de/12/android-4-actionbar-with-tabs-example
I implemented it with ActionBarSherlock, it worked like expected, but I want that after switching the tabs and then when switching back to a Tab what was already initialized, that it doesn't get reinitialized, they should open the same View as it was.
How I realize this?
If there is an example to show how it is realized it would be a lot easier to understand.
(HowTos)